CN209156894U - A kind of dedicated rounding die of muffler - Google Patents

Abstract

The utility model discloses a kind of dedicated rounding dies of muffler, including upper punching block and lower punching block, the bottom of the upper punching block offers tongue and groove, the bottom of the upper punching block is fixedly installed with alloy copper bar by tightening up a screw, lower tongue and groove is offered at the top of the lower punching block, the top of the lower punching block is fixedly installed with lower alloy copper bar by lower screw.The utility model is by being arranged upper punching block, lower punching block, upper alloy copper bar and lower alloy copper bar, it is directly contacted with full circle article using the lower alloy copper bar at the top of the upper alloy copper bar and lower punching block of upper punching block bottom, it in this way can be to avoid causing to scratch to full circle article at the mould interface after heat treatment, to reduce product rejection rate, reduce to the full circle article polishing time after scuffing, effectively increases production efficiency.

Description

A kind of dedicated rounding die of muffler

Technical field

The utility model relates to mobile muffler processing mold technical field, specially a kind of dedicated Rounding Moulds of muffler Tool.

Background technique

During manufacturing to mobile muffler, the stainless steel plate for manufacturing muffler is cut into defined ruler first It is very little, the stainless steel plate sheared is put into automatic edge rolling equipment and carries out edge rolling, subsequently into progress full circle processing in rounding machine Etc. a series of production stage.

It needs during carrying out full circle to the stainless steel plate after edge rolling using rounding die, conventional rounding die is Integrated punching block, punching block just can guarantee its rigidity and wearability because carrying out heat treatment when in use, but whole after heat treatment The interface of round steel mould is easy to generate scuffing with the surface of the article of full circle, causes the scrappage of product to rise, to full circle article The position of scuffing carries out polishing processing, reduces production efficiency, and the use of mold can be reduced by carrying out polishing processing to rounding die Service life.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of dedicated rounding die of muffler, solves existing Mobile muffler rounding die use when be easy can full circle article scratch, cause to have scrapped rising, production efficiency is low, The short problem of die life.

(2) technical solution

To achieve the above object, the utility model provides the following technical solutions: a kind of dedicated rounding die of muffler, including Upper punching block and lower punching block, the bottom of the upper punching block offer tongue and groove, and the bottom of the upper punching block passes through fixed peace of tightening up a screw Equipped with upper alloy copper bar, lower tongue and groove is offered at the top of the lower punching block, the top of the lower punching block is pacified by the way that lower screw is fixed Equipped with lower alloy copper bar.

Advanced optimize the technical program, the quantity of the upper tongue and groove is two, two upper above punching blocks of tongue and groove Central axes are the bottom that symmetry axis is symmetrically distributed in punching block.

Advanced optimize the technical program, the quantity of the upper alloy copper bar is two, two upper alloy copper bars Size is adapted with the size of corresponding upper tongue and groove.

Advanced optimize the technical program, the quantity of the lower tongue and groove is two, two lower following punching blocks of tongue and groove Central axes are the top that symmetry axis is symmetrically distributed in lower punching block.

Advanced optimize the technical program, the quantity of the lower alloy copper bar is two, two lower alloy copper bars Size is adapted with the size of corresponding lower tongue and groove.

Advanced optimize the technical program, it is described to tighten up a screw and lower screw is countersunk head screw.

(3) beneficial effect

Compared with prior art, the utility model provides a kind of dedicated rounding die of muffler, has following beneficial to effect Fruit:

1, the dedicated rounding die of the muffler, by the way that upper punching block, lower punching block, upper alloy copper bar and lower alloy copper bar is arranged, It is directly contacted with full circle article using the lower alloy copper bar at the top of the upper alloy copper bar and lower punching block of upper punching block bottom, in this way It can reduce pair to avoid causing to scratch to full circle article at the mould interface after heat treatment, to reduce product rejection rate The full circle article polishing time after scuffing, effectively increase production efficiency.

2, the dedicated rounding die of the muffler is tightened up a screw, lower screw, upper alloy copper bar and lower alloy copper bar by setting, It is convenient that upper alloy copper bar and lower alloy copper bar are mounted and dismounted, i.e., it can after upper alloy copper bar and the abrasion of lower alloy copper bar To be replaced, the polishing to mold is avoided, improves the service life of mold, effectively reduces the cost of mold.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model stereochemical structure bottom view；

Fig. 3 is the utility model stereochemical structure top view.

In figure: 1, upper punching block；2, lower punching block；3, upper tongue and groove；4, it tightens up a screw；5, upper alloy copper bar；6, lower tongue and groove；7, lower spiral shell Silk；8, lower alloy copper bar.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of dedicated rounding die of muffler, including it is upper Punching block 1 and lower punching block 2, the bottom of upper punching block 1 offer tongue and groove 3, and the bottom of upper punching block 14 is fixedly installed with by tightening up a screw Upper alloy copper bar 5, the top of lower punching block 2 offer lower tongue and groove 6, and the top of lower punching block 2 is fixedly installed with lower conjunction by lower screw 7 Golden copper bar 8 utilizes the upper of upper 1 bottom of punching block by the way that upper punching block 1, lower punching block 2, upper alloy copper bar 5 and lower alloy copper bar 8 is arranged The lower alloy copper bar 8 at 2 top of alloy copper bar 5 and lower punching block is directly contacted with full circle article, in this way can be to avoid heat treatment Full circle article is caused to scratch at mould interface afterwards, to reduce product rejection rate, is reduced to the full circle object after scuffing The product polishing time, production efficiency is effectively increased, by the way that tighten up a screw 4, lower screw 7, upper alloy copper bar 5 and lower alloy copper bar is arranged 8, it is convenient that upper alloy copper bar 5 and lower alloy copper bar 8 are mounted and dismounted, i.e., when upper alloy copper bar 5 and lower alloy copper bar 8 are ground Can be replaced after damage, avoid the polishing to mold, improve the service life of mold, effectively reduce mold at This.

Specifically, the quantity of upper tongue and groove 3 is two, the central axes of two upper 3 or more punching blocks 1 of tongue and groove are symmetrical axial symmetry point Cloth conveniently installs upper alloy copper bar 5 in the bottom of upper punching block 1.

Specifically, the quantity of upper alloy copper bar 5 is two, the size of two upper alloy copper bars 5 with corresponding upper tongue and groove 3 Size be adapted, ensure that two upper alloy copper bars 5 and the upper effectively cooperation of punching block 1.

Specifically, the quantity of lower tongue and groove 6 is two, the central axes of two lower 6 or less punching blocks 2 of tongue and groove are symmetrical axial symmetry point Cloth conveniently installs lower alloy copper bar 8 at the top of lower punching block 2.

Specifically, the quantity of lower alloy copper bar 8 be two, the size of two lower alloy copper bars 8 with corresponding lower tongue and groove 6 Size be adapted, ensure that two lower alloy copper bars 8 and the lower effectively cooperation of punching block 2.

Specifically, tighten up a screw 4 and lower screw 7 be countersunk head screw, it is convenient to upper alloy copper bar 5 and lower alloy copper bar 8 into Row disassembly.

When in use, two upper alloy copper bars 54 are mounted on the upper tongue and groove 3 of upper 1 bottom of punching block by tightening up a screw, it will Two lower alloy copper bars 8 are mounted on the lower tongue and groove 6 at lower 2 top of punching block by lower screw 7, then by the Rounding Moulds after assembling Tool is packed into full circle equipment, during full circle, reduces the scuffing to full circle article using upper alloy copper bar 5 and lower alloy copper bar 8, Simultaneously using tighten up a screw 4 and lower screw 7 facilitate to after abrasion upper alloy copper bar 5 and lower alloy copper bar 8 replace.

In conclusion the dedicated rounding die of the muffler, by be arranged upper punching block 1, lower punching block 2, upper alloy copper bar 5 and under Alloy copper bar 8, using upper 1 bottom of punching block upper alloy copper bar 5 and lower punching block 2 top lower alloy copper bar 8 directly with full circle object Product are contacted, in this way can be to avoid causing to scratch to full circle article at the mould interface after heat treatment, to reduce product Scrappage reduces to the full circle article polishing time after scuffing, effectively increases production efficiency.

It should be noted that, in this document, such as the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of dedicated rounding die of muffler, including upper punching block (1) and lower punching block (2), it is characterised in that: the upper punching block (1) bottom offers tongue and groove (3), the bottom of the upper punching block (1) by tighten up a screw (4) be fixedly installed with alloy copper bar (5), it is offered lower tongue and groove (6) at the top of the lower punching block (2), the top of the lower punching block (2) is pacified by the way that lower screw (7) are fixed Equipped with lower alloy copper bar (8).

2. the dedicated rounding die of a kind of muffler according to claim 1, it is characterised in that: the number of the upper tongue and groove (3) Amount is two, and the central axes of two above punching blocks of the upper tongue and groove (3) (1) are the bottom that symmetry axis is symmetrically distributed in punching block (1) Portion.

3. the dedicated rounding die of a kind of muffler according to claim 1, it is characterised in that: the upper alloy copper bar (5) Quantity be two, the size of two upper alloy copper bars (5) is adapted with the size of corresponding upper tongue and groove (3).

4. the dedicated rounding die of a kind of muffler according to claim 1, it is characterised in that: the number of the lower tongue and groove (6) Amount is two, and the central axes of two following punching blocks of the lower tongue and groove (6) (2) are the top that symmetry axis is symmetrically distributed in lower punching block (2) Portion.

5. the dedicated rounding die of a kind of muffler according to claim 1, it is characterised in that: the lower alloy copper bar (8) Quantity be two, the size of two lower alloy copper bars (8) is adapted with the size of corresponding lower tongue and groove (6).

6. the dedicated rounding die of a kind of muffler according to claim 1, it is characterised in that: it is described tighten up a screw (4) and under Screw (7) is countersunk head screw.